Configuration file updated (#10)

* OpenAPI integration work in progress

* API Gateway updates

* API Gateway support - beta release

* README updated

* README updated

* README updated

* README updated

* README updated

* README updated

* Declaration schema updated, Developer portal alpha release

* Postman collection updated

* Devportal alpha release commit

* Devportal alpha release commit

* Added Developer Portal support

* README updated

* README updated

* README updated

* README updated

* README updated

* README updated

* README updated

* README updated

* config.toml updated

* Bugfixes

* Bugfixes

* Configuration file update

Author: fabriziofiorucci